diff --git a/examples/cog-math.js b/examples/cog-math.js
index ca9dcdfc9f..0b2b8869f5 100644
--- a/examples/cog-math.js
+++ b/examples/cog-math.js
@@ -1,6 +1,5 @@
 import GeoTIFF from '../src/ol/source/GeoTIFF.js';
 import Map from '../src/ol/Map.js';
-import Projection from '../src/ol/proj/Projection.js';
 import TileLayer from '../src/ol/layer/WebGLTile.js';
 import View from '../src/ol/View.js';
 import proj4 from 'proj4';
@@ -10,11 +9,6 @@ import {register} from '../src/ol/proj/proj4.js';
 proj4.defs('EPSG:32636', '+proj=utm +zone=36 +datum=WGS84 +units=m +no_defs');
 register(proj4);
 
-const projection = new Projection({
-  code: 'EPSG:32636',
-  extent: [166021.44, 0.0, 534994.66, 9329005.18],
-});
-
 // metadata from https://s3.us-west-2.amazonaws.com/sentinel-cogs/sentinel-s2-l2a-cogs/2020/S2A_36QWD_20200701_0_L2A/S2A_36QWD_20200701_0_L2A.json
 const sourceExtent = [499980, 1790220, 609780, 1900020];
 
@@ -93,9 +87,9 @@ const map = new Map({
     }),
   ],
   view: new View({
+    projection: 'EPSG:32636',
     center: getCenter(sourceExtent),
     extent: sourceExtent,
     zoom: 9,
-    projection: projection,
   }),
 });
diff --git a/examples/cog-overviews.js b/examples/cog-overviews.js
index d0e46697dc..945b7a00f5 100644
--- a/examples/cog-overviews.js
+++ b/examples/cog-overviews.js
@@ -1,6 +1,5 @@
 import GeoTIFF from '../src/ol/source/GeoTIFF.js';
 import Map from '../src/ol/Map.js';
-import Projection from '../src/ol/proj/Projection.js';
 import TileLayer from '../src/ol/layer/WebGLTile.js';
 import View from '../src/ol/View.js';
 import proj4 from 'proj4';
@@ -10,11 +9,6 @@ import {register} from '../src/ol/proj/proj4.js';
 proj4.defs('EPSG:32645', '+proj=utm +zone=45 +datum=WGS84 +units=m +no_defs');
 register(proj4);
 
-const projection = new Projection({
-  code: 'EPSG:32645',
-  extent: [166021.44, 0.0, 534994.66, 9329005.18],
-});
-
 const sourceExtent = [382200, 2279370, 610530, 2512500];
 
 const base =
@@ -60,9 +54,9 @@ const map = new Map({
     }),
   ],
   view: new View({
+    projection: 'EPSG:32645',
     center: getCenter(sourceExtent),
     extent: sourceExtent,
     zoom: 8,
-    projection: projection,
   }),
 });
diff --git a/examples/cog.js b/examples/cog.js
index 9dc5bc4afb..24a1038021 100644
--- a/examples/cog.js
+++ b/examples/cog.js
@@ -1,6 +1,5 @@
 import GeoTIFF from '../src/ol/source/GeoTIFF.js';
 import Map from '../src/ol/Map.js';
-import Projection from '../src/ol/proj/Projection.js';
 import TileLayer from '../src/ol/layer/WebGLTile.js';
 import View from '../src/ol/View.js';
 import proj4 from 'proj4';
@@ -10,11 +9,6 @@ import {register} from '../src/ol/proj/proj4.js';
 proj4.defs('EPSG:32636', '+proj=utm +zone=36 +datum=WGS84 +units=m +no_defs');
 register(proj4);
 
-const projection = new Projection({
-  code: 'EPSG:32636',
-  extent: [166021.44, 0.0, 534994.66, 9329005.18],
-});
-
 // metadata from https://s3.us-west-2.amazonaws.com/sentinel-cogs/sentinel-s2-l2a-cogs/2020/S2A_36QWD_20200701_0_L2A/S2A_36QWD_20200701_0_L2A.json
 const sourceExtent = [499980, 1790220, 609780, 1900020];
 
@@ -33,9 +27,9 @@ const map = new Map({
     }),
   ],
   view: new View({
+    projection: 'EPSG:32636',
     center: getCenter(sourceExtent),
     extent: sourceExtent,
     zoom: 9,
-    projection: projection,
   }),
 });
diff --git a/src/ol/source/GeoTIFF.js b/src/ol/source/GeoTIFF.js
index d1cd4378f8..8abee1a59b 100644
--- a/src/ol/source/GeoTIFF.js
+++ b/src/ol/source/GeoTIFF.js
@@ -424,7 +424,7 @@ class GeoTIFFSource extends DataTile {
             image.geoKeys.ProjectedCSTypeGeoKey ||
             image.geoKeys.GeographicTypeGeoKey;
           if (code) {
-            this.projection = getProjection(`EPSG:${code}`);
+            this.projection = getProjection('EPSG:' + code);
             break;
           }
         }